Unpaywall FAQ
When an article has more than one OA location, we need to decide which is the most current, authoritative version, which is first in oa_locations and is cal...
Tue, 19 Jan, 2021 at 8:59 AM
Unpaywall Title Search Endpoint The Unpaywall title search endpoint gives you the full DOI API response for articles with titles matching your query. 50...
Thu, 22 Apr, 2021 at 8:51 AM
There are many definitions of what constitutes an OA license, including the BOAI, OSI and SPARC (for a more comprehensive list, see this literature review)....
Tue, 5 Jan, 2021 at 10:54 AM
In each oa_location, the purpose of oa_date is to tell you when the full text of this version of the article was first available at this location. Here’s an...
Mon, 19 Oct, 2020 at 11:15 AM
We're pretty flexible. In general, if a page makes the full text of an article available for free, either directly on the page, through a PDF link, or ...
Thu, 31 Dec, 2020 at 1:45 PM
In general, publisher means this location is provided by the article's original publisher, through the canonical doi.org URL, as a Published or Accepte...
Thu, 31 Dec, 2020 at 1:45 PM
Glad you asked! Documentation for the shared schema is here: https://unpaywall.org/data-format And the field names are listed here so this article appea...
Tue, 12 Jan, 2021 at 1:28 PM
The Unpaywall browser extension gets open access locations by calling our REST API. The API is called using DOIs, so the extension needs to be able to find ...
Mon, 8 Mar, 2021 at 10:07 AM
Some fields in Unpaywall records include text from external sources like Crossref. If you're simply viewing an Unpaywall API response in a browser or r...
Thu, 10 Jun, 2021 at 11:56 AM